Portion of a display screen with a user interface



The FIGURE is a front view of a portion of a display screen with a userinterface showing the claimed design.

The portions of the user interface illustrated in broken lines form nopart of the claimed design. The outer edge of the portion of the displayscreen is understood to be congruent with the outer edge of the userinterface.

CLAIM The ornamental design for a portion of a display screen with auser interface, as shown and described.